Question

Match each interval with its graph. (GRAPH CANNOT COPY). a. $(-\infty,-1]$ b. $(-\infty, 1)$ c. $[-1, \infty)$

          Match each interval with its graph. (GRAPH CANNOT COPY).
a. $(-\infty,-1]$
b. $(-\infty, 1)$
c. $[-1, \infty)$

Added by Tina O.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Nicole Smina

Step 1

$(-\infty,-1]$ represents all the numbers less than or equal to -1. So, the graph would have a closed circle at -1 and an arrow pointing to the left. b. $(-\infty, 1)$ represents all the numbers less than 1. So, the graph would have an open circle at 1 and an Show more…

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